user
Predict the outcome when the following reactants react together.
CaCO3 + 2HCl


assistant
When CaCO3 (calcium carbonate) reacts with 2 moles of HCl (hydrochloric acid), the following chemical reaction takes place:

CaCO3 + 2HCl → CaCl2 + H2O + CO2.

The reaction produces calcium chloride, water, and carbon dioxide.